NAT44 EI tests

Signed-off-by: Maros Mullner <maros.mullner@pantheon.tech>
Change-Id: Ib5f58f60a1409ed139e2846793bf52fdc02a6571

27 files changed, 3907 insertions, 25 deletions

diff --git a/GPL/tools/trex/trex_stateless_profile.py b/GPL/tools/trex/trex_stateless_profile.py
index a0de5c0cd3..cda68d01d8 100644
--- a/GPL/tools/trex/trex_stateless_profile.py
+++ b/GPL/tools/trex/trex_stateless_profile.py
@@ -116,7 +116,8 @@ def simple_burst(
     try:
         print(f"### Profile file:\n{profile_file}")
         profile = STLProfile.load(
-            profile_file, direction=0, port_id=0, framesize=framesize
+            profile_file, direction=0, port_id=0, framesize=framesize,
+            rate=rate
         )
         streams = profile.get_streams()
     except STLError as err:
@@ -135,9 +136,13 @@ def simple_burst(
         if u"macsrc" in profile_file:
             client.set_port_attr(ports=[port_0, port_1], promiscuous=True)
         if isinstance(framesize, int):
-            client.add_streams(streams[0], ports=[port_0])
+            last_stream_a = int((len(streams) - 2 ) / 2)
+            client.add_streams(streams[0:last_stream_a], ports=[port_0])
             if traffic_directions > 1:
-                client.add_streams(streams[1], ports=[port_1])
+                last_stream_b = (last_stream_a * 2)
+                client.add_streams(
+                    streams[last_stream_a:last_stream_b], ports=[port_1])
+            print(last_stream_a, last_stream_b, streams)
         elif isinstance(framesize, str):
             client.add_streams(streams[0:3], ports=[port_0])
             if traffic_directions > 1:
@@ -145,9 +150,10 @@ def simple_burst(
         if latency:
             try:
                 if isinstance(framesize, int):
-                    client.add_streams(streams[2], ports=[port_0])
+                    client.add_streams(streams[last_stream_b], ports=[port_0])
                     if traffic_directions > 1:
-                        client.add_streams(streams[3], ports=[port_1])
+                        client.add_streams(
+                            streams[last_stream_b + 1], ports=[port_1])
                 elif isinstance(framesize, str):
                     latency = False
             except STLError:
@@ -196,7 +202,7 @@ def simple_burst(
         lost_b = 0
 
         # Choose rate and start traffic:
-        client.start(ports=ports, mult=rate, duration=duration)
+        client.start(ports=ports, mult=rate, duration=duration, force=force)
 
         if async_start:
             # For async stop, we need to export the current snapshot.
diff --git a/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py b/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
index a3736796eb..32ffe9efd6 100644
--- a/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
+++ b/GPL/traffic_profiles/trex/profile_trex_stateless_base_class.py
@@ -119,7 +119,6 @@ class TrafficStreamsBaseClass:
 
         # Frame size is defined as an integer, e.g. 64, 1518:
         if isinstance(self.framesize, int):
-
             # Create a base packet and pad it to size
             payload_len = max(0, self.framesize - len(base_pkt_a) - 4)  # No FCS
 
@@ -213,5 +212,6 @@ class TrafficStreamsBaseClass:
         :rtype: list
         """
         self.framesize = kwargs[u"framesize"]
+        self.rate = kwargs[u"rate"]
 
         return self.create_streams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py
new file mode 100644
index 0000000000..7799f1650e
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1024u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.3.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.3.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py
new file mode 100644
index 0000000000..bae954b0f0
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1048576u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      172.16.0.0 - 172.31.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.71.255
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"172.16.0.0"
+        self.p1_src_end_ip = u"172.31.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.71.255"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py
new file mode 100644
index 0000000000..b87234ca95
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-16384u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.63.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.15
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.63.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.15"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py
new file mode 100644
index 0000000000..6b7c67a80f
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-1u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 16017
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.0.0"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 16017
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py
new file mode 100644
index 0000000000..e8ae5e992d
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-238u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.0.237
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 16017
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.0.237"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.0"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 16017
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py
new file mode 100644
index 0000000000..5d5900d561
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-262144u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      172.16.0.0 - 172.19.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.255
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"172.16.0.0"
+        self.p1_src_end_ip = u"172.19.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.255"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py
new file mode 100644
index 0000000000..211c3dd23e
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-4096u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.15.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.3
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.15.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.3"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py
new file mode 100644
index 0000000000..6f9f8c9939
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-sl-ethip4udp-65536u63p.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / UDP
+ - Direction 0 --> 1:
+   - Source IP address range:      192.168.0.0 - 192.168.255.255
+   - Destination IP address range: 20.0.0.0
+   - Source UDP port range:        1024 - 1086
+   - Destination UDP port range:   1024
+ - Direction 1 --> 0:
+   - Source IP address range:      20.0.0.0
+   - Destination IP address range: 68.142.68.0 - 68.142.68.63
+   - Source UDP port range:        1024
+   - Destination UDP port range:   1024 - 65535
+"""
+
+from trex.stl.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+        # IPs used in packet headers.
+        self.p1_src_start_ip = u"192.168.0.0"
+        self.p1_src_end_ip = u"192.168.255.255"
+        self.p1_dst_start_ip = u"20.0.0.0"
+        self.p1_dst_end_ip = u"20.0.0.0"
+
+        self.p2_src_start_ip = u"20.0.0.0"
+        self.p2_src_end_ip = u"20.0.0.0"
+        self.p2_dst_start_ip = u"68.142.68.0"
+        self.p2_dst_end_ip = u"68.142.68.63"
+
+        # UDP ports used in packet headers.
+        self.p1_src_start_udp_port = 1024
+        self.p1_src_end_udp_port = 1086
+        self.p1_dst_start_udp_port = 1024
+        self.p1_dst_end_udp_port = 1024
+
+        self.p2_src_start_udp_port = 1024
+        self.p2_src_end_udp_port = 1024
+        self.p2_dst_start_udp_port = 1024
+        self.p2_dst_end_udp_port = 65535
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p1_src_start_udp_port,
+                dport=self.p1_dst_start_udp_port
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_src_start_ip,
+                dst=self.p2_dst_start_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_src_start_udp_port,
+                dport=self.p2_dst_start_udp_port
+            )
+        )
+
+        # Direction 0 --> 1
+        vm1 = STLVM()
+        vm1.var(name="sIP",
+                min_value=self.p1_src_start_ip,
+                max_value=self.p1_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm1.var(name="sport",
+                min_value=self.p1_src_start_udp_port,
+                max_value=self.p1_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.var(name="dIP",
+                min_value=self.p1_dst_start_ip,
+                max_value=self.p1_dst_end_ip,
+                size=4,
+                op="inc")
+        vm1.var(name="dport",
+                min_value=self.p1_dst_start_udp_port,
+                max_value=self.p1_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm1.write(fv_name="sIP", pkt_offset="IP.src")
+        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm1.fix_chksum(offset='IP')
+        # Direction 0 --> 1
+        vm2 = STLVM()
+        vm2.var(name="sIP",
+                min_value=self.p2_src_start_ip,
+                max_value=self.p2_src_end_ip,
+                size=4,
+                op="inc",
+                next_var="sport")
+        vm2.var(name="sport",
+                min_value=self.p2_src_start_udp_port,
+                max_value=self.p2_src_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.var(name="dIP",
+                min_value=self.p2_dst_start_ip,
+                max_value=self.p2_dst_end_ip,
+                size=4,
+                op="inc")
+        vm2.var(name="dport",
+                min_value=self.p2_dst_start_udp_port,
+                max_value=self.p2_dst_end_udp_port,
+                size=2,
+                op="inc")
+        vm2.write(fv_name="sIP", pkt_offset="IP.src")
+        vm2.write(fv_name="sport", pkt_offset="UDP.sport")
+        vm2.write(fv_name="dIP", pkt_offset="IP.dst")
+        vm2.write(fv_name="dport", pkt_offset="UDP.dport")
+        vm2.fix_chksum(offset='IP')
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
diff --git a/resources/libraries/robot/ip/nat.robot b/resources/libraries/robot/ip/nat.robot
index 1722940164..e1c302e98a 100644
--- a/resources/libraries/robot/ip/nat.robot
+++ b/resources/libraries/robot/ip/nat.robot
@@ -33,7 +33,8 @@
 | | [Arguments] | ${node} | ${int_in} | ${int_out}
 | |
 | | ${int_in_name}= | Set variable | ${node['interfaces']['${int_in}']['name']}
-| | ${int_out_name}= | Set variable | ${node['interfaces']['${int_out}']['name']}
+| | ${int_out_name}= | Set variable
+| | ... | ${node['interfaces']['${int_out}']['name']}
 | | Set NAT44 Interfaces | ${node} | ${int_in_name} | ${int_out_name}
 
 | Configure deterministic mode for NAT44
@@ -85,45 +86,72 @@
 | |
 | | Set interfaces in path up
 | |
-| | VPP Interface Set IP Address | ${dut1} | ${DUT1_${int}1}[0] | 10.0.0.1 | 20
+| | ${tg_if1_ip4}= | Get Variable Value | ${tg_if1_ip4} | 10.0.0.2
+| | ${tg_if1_mask}= | Get Variable Value | ${tg_if1_mask} | 20
+| | ${tg_if2_ip4}= | Get Variable Value | ${tg_if2_ip4} | 12.0.0.2
+| | ${tg_if2_mask}= | Get Variable Value | ${tg_if2_mask} | 20
+| | ${dut1_if1_ip4}= | Get Variable Value | ${dut1_if1_ip4} | 10.0.0.1
+| | ${dut1_if1_mask}= | Get Variable Value | ${dut1_if1_mask} | 20
+| | ${dut1_if2_ip4}= | Get Variable Value | ${dut1_if2_ip4} | 11.0.0.1
+| | ${dut1_if2_mask}= | Get Variable Value | ${dut2_if2_mask} | 20
+| | ${dut2_if1_ip4}= | Get Variable Value | ${dut2_if1_ip4} | 11.0.0.2
+| | ${dut2_if1_mask}= | Get Variable Value | ${dut2_if1_mask} | 20
+| | ${dut2_if2_ip4}= | Get Variable Value | ${dut2_if2_ip4} | 12.0.0.1
+| | ${dut2_if2_mask}= | Get Variable Value | ${dut2_if2_mask} | 20
+| | ${inside_net}= | Get Variable Value | ${inside_net} | 192.168.0.0
+| | ${inside_mask}= | Get Variable Value | ${inside_mask} | 16
+| | ${nat_net}= | Get Variable Value | ${nat_net} | 109.146.163.128
+| | ${nat_mask}= | Get Variable Value | ${nat_mask} | 26
+| | ${dest_net}= | Get Variable Value | ${dest_net} | 20.0.0.0
+| | ${dest_mask}= | Get Variable Value | ${dest_mask} | 24
+| |
+| | VPP Interface Set IP Address | ${dut1} | ${DUT1_${int}1}[0]
+| | ... | ${dut1_if1_ip4} | ${dut1_if1_mask}
 | | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | VPP Interface Set IP Address | ${dut1} | ${DUT1_${int}2}[0]
-| | ... | 11.0.0.1 | 20
+| | ... | ${dut1_if2_ip4} | ${dut1_if2_mask}
 | | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | VPP Interface Set IP Address | ${dut2} | ${DUT2_${int}1}[0]
-| | ... | 11.0.0.2 | 20
+| | ... | ${dut2_if1_ip4} | ${dut2_if1_mask}
 | | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | Set Variable | ${dut2}
 | | ... | ELSE | Set Variable | ${dut1}
 | | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | Set Variable | ${DUT2_${int}2}[0]
 | | ... | ELSE | Set Variable | ${DUT1_${int}2}[0]
-| | VPP Interface Set IP Address | ${dut} | ${dut_if2} | 12.0.0.1 | 20
+| | VPP Interface Set IP Address | ${dut} | ${dut_if2} | ${dut2_if2_ip4}
+| | ... | ${dut2_if2_mask}
 | |
 | | VPP Add IP Neighbor
-| | ... | ${dut1} | ${DUT1_${int}1}[0] | 10.0.0.2 | ${TG_pf1_mac}[0]
+| | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0]
 | | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | VPP Add IP Neighbor
-| | ... | ${dut1} | ${DUT1_${int}2}[0] | 11.0.0.2 | ${DUT2_${int}1_mac}[0]
+| | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip4}
+| | ... | ${DUT2_${int}1_mac}[0]
 | | Run Keyword If | '${dut2_status}' == 'PASS'
 | | ... | VPP Add IP Neighbor
-| | ... | ${dut2} | ${DUT2_${int}1}[0] | 11.0.0.1 | ${DUT1_${int}2_mac}[0]
+| | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut1_if2_ip4}
+| | ... | ${DUT1_${int}2_mac}[0]
 | | VPP Add IP Neighbor
-| | ... | ${dut} | ${dut_if2} | 12.0.0.2 | ${TG_pf2_mac}[0]
+| | ... | ${dut} | ${dut_if2} | ${tg_if2_ip4} | ${TG_pf2_mac}[0]
 | |
-| | Vpp Route Add | ${dut1} | 20.0.0.0 | 18 | gateway=10.0.0.2
-| | ... | interface=${DUT1_${int}1}[0]
+| | Vpp Route Add | ${dut1} | ${inside_net} | ${inside_mask}
+| | ... | gateway=${tg_if1_ip4} | interface=${DUT1_${int}1}[0]
 | | Run Keyword If | '${dut2_status}' == 'PASS'
-| | ... | Vpp Route Add | ${dut1} | 12.0.0.2 | 32 | gateway=11.0.0.2
-| | ... | interface=${DUT1_${int}2}[0]
+| | ... | Vpp Route Add | ${dut1} | ${dest_net} | ${dest_mask}
+| | ... | gateway=${dut2_if1_ip4} | interface=${DUT1_${int}2}[0]
+| | Run Keyword Unless | '${dut2_status}' == 'PASS'
+| | ... | Vpp Route Add | ${dut1} | ${dest_net} | ${dest_mask}
+| | ... | gateway=${tg_if2_ip4} | interface=${DUT1_${int}2}[0]
 | | Run Keyword If | '${dut2_status}' == 'PASS'
-| | ... | Vpp Route Add | ${dut2} | 12.0.0.0 | 24 | gateway=12.0.0.2
-| | ... | interface=${DUT2_${int}2}[0]
+| | ... | Vpp Route Add | ${dut2} | ${dest_net} | ${dest_mask}
+| | ... | gateway=${tg_if2_ip4} | interface=${DUT2_${int}2}[0]
 | | Run Keyword If | '${dut2_status}' == 'PASS'
-| | ... | Vpp Route Add | ${dut2} | 200.0.0.0 | 30 | gateway=11.0.0.1
-| | ... | interface=${DUT2_${int}1}[0]
+| | ... | Vpp Route Add | ${dut2} | ${nat_net} | ${nat_mask}
+| | ... | gateway=${dut1_if2_ip4} | interface=${DUT2_${int}1}[0]
 | |
 | | Configure inside and outside interfaces
 | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${DUT1_${int}2}[0]
 | | Configure deterministic mode for NAT44
-| | ... | ${dut1} | 20.0.0.0 | 18 | 200.0.0.0 | 30
+| | ... | ${dut1} | ${inside_net} | ${inside_mask} | ${nat_net} | ${nat_mask}
+
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..f493cf7c05
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1
+| ... | BASE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4base-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /22 route entries on DUT1 and two\
+| ... | static IPv4 /32 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1u63p
+# IP addressing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..bca949baed
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1024
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale1024-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /22 route entries on DUT1 and two\
+| ... | static IPv4 /32 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1024u63p
+# IP addressing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..c000480ea5
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1048576
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale1048576-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /12 route entries on DUT1 and two\
+| ... | static IPv4 /22 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1048576u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 172.16.0.0
+| ${inside_mask}= | 12
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 22
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..2bcd3b184e
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_16384
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale16384-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /18 route entries on DUT1 and two\
+| ... | static IPv4 /28 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-16384u63p
+# IP addressing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 18
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 28
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..f7127913cc
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_238
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale238-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /22 route entries on DUT1 and two\
+| ... | static IPv4 /32 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-238u63p
+# IP addressing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..c559ed5cea
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_262144
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale262144-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /14 route entries on DUT1 and two\
+| ... | static IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-262144u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 172.16.0.0
+| ${inside_mask}= | 14
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 24
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..91ca528e5c
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_4096
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale4096-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /20 route entries on DUT1 and two\
+| ... | static IPv4 /30 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-4096u63p
+# IP addressing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 20
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 30
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..b242a618db
--- /dev/null
+++ b/tests/vpp/perf/ip4/10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,159 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_65536
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale65536-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
+| ... | routing two static IPv4 /24 and IPv4 /16 route entries on DUT1 and two\
+| ... | static IPv4 /26 and IPv4 /24 route entries on DUT2. DUT1 and DUT2\
+| ... | tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on\
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups\
+| ... | (flow-group per direction, one flow per flow-group) with all packets\
+| ... | containing Ethernet header, IPv4 header with UDP header and static\
+| ... | payload. MAC addresses are matching MAC addresses of the TG node\
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-65536u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${dut2_if1_ip4}= | 11.0.0.2
+| ${dut2_if1_mask}= | 20
+| ${dut2_if2_ip4}= | 12.0.0.1
+| ${dut2_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 16
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 26
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..e097c5d885
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1
+| ... | BASE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4base-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /22 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4base-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..3c63114248
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1024
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale1024-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /22 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1024u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale1024-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..6b2a11a25d
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_1048576
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale1048576-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /12 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-1048576u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 172.16.0.0
+| ${inside_mask}= | 12
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 22
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale1048576-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..76731fe6fb
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_16384
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale16384-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /18 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-16384u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 18
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 28
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale16384-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..481153ca0f
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_238
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale238-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /22 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-238u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 22
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 32
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale238-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..9e36513a69
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_262144
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale262144-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /14 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-262144u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 172.16.0.0
+| ${inside_mask}= | 14
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 24
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..b98d7a1ddd
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_4096
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale4096-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /20 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-4096u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 20
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 30
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale4096-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}
diff --git a/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot
new file mode 100644
index 0000000000..12e4be0320
--- /dev/null
+++ b/tests/vpp/perf/ip4/2n1l-10ge2p1x710-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr.robot
@@ -0,0 +1,154 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Resource | resources/libraries/robot/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | SRC_USER_65536
+| ... | SCALE | DRV_VFIO_PCI
+| ... | RXQ_SIZE_0 | TXQ_SIZE_0
+| ... | ethip4udp-ip4scale65536-udpsrcscale63-nat44
+|
+| Suite Setup | Setup suite topology interfaces | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test | performance
+| Test Teardown | Tear down test | performance | nat
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\
+| ... | two static IPv4 /16 and IPv4 /24 route entries.\
+| ... | DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
+| ... | of packets transmitted. NDR and PDR are discovered for different\
+| ... | Ethernet L2 frame sizes using MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUT1. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per\
+| ... | flow-group) with all packets containing Ethernet header, IPv4 header\
+| ... | with UDP header and static payload. MAC addresses are matching MAC\
+| ... | addresses of the TG node interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so | nat_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${nic_rxq_size}= | 0
+| ${nic_txq_size}= | 0
+| ${nic_pfs}= | 2
+| ${nic_vfs}= | 0
+| ${osi_layer}= | L3
+| ${overhead}= | ${0}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-ethip4udp-65536u63p
+# IP addresing
+| ${tg_if1_ip4}= | 10.0.0.2
+| ${tg_if1_mask}= | 20
+| ${tg_if2_ip4}= | 12.0.0.2
+| ${tg_if2_mask}= | 20
+| ${dut1_if1_ip4}= | 10.0.0.1
+| ${dut1_if1_mask}= | 20
+| ${dut1_if2_ip4}= | 11.0.0.1
+| ${dut1_if2_mask}= | 20
+| ${inside_net}= | 192.168.0.0
+| ${inside_mask}= | 16
+| ${nat_net}= | 68.142.68.0
+| ${nat_mask}= | 26
+| ${dest_net}= | 20.0.0.0
+| ${dest_mask}= | 24
+
+*** Keywords ***
+| Local Template
+| |
+| | [Documentation]
+| | ... | [Cfg] DUT runs IPv4 routing config.
+| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Add NAT to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize NAT44 in circular topology
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| 64B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| 64B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| 64B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| 1518B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| 1518B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| 1518B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| 9000B-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| 9000B-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| 9000B-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| IMIX-1c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| IMIX-2c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| IMIX-4c-ethip4udp-ip4scale65536-udpsrcscale63-nat44-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}